Negative symptoms -like social detachment,loss of interest in and withdrawal from all regular and pleasurable activities ,blunted or flat facial expressions,inability to speak,etc

BIPOLAR DISORDER

Patients with both maniac & depressive episodes or patients with maniac episodes alone are said to have bipolar disorder.People suffering from this have periods (several weeks or months ),where one’s mood is in one Extreme or another.

One extreme is called depression where person has persistently sad mood and decrease interest in regular & pleasurable activities.

Other extreme is called Mania where person has inflated self-esteem or grandiosity,racing thoughts,more talkative than usual,excessive involvement in pleasurable activities.

People can have many episodes of such highs & lows throughout their life.